diff --git a/docs/changes/0.50.1.rst b/docs/changes/0.50.1.rst
new file mode 100644
index 00000000000..78c416c9449
--- /dev/null
+++ b/docs/changes/0.50.1.rst
@@ -0,0 +1,8 @@
+QCoDeS 0.50.1 (2024-11-28)
+==========================
+
+Improved:
+---------
+
+- Fix a regression introduced in 0.50.0 where a DelegateParameter initialized with a None source
+  would not correctly call get/set on the source parameter when this has been set. (:pr:`6671`)
diff --git a/docs/changes/index.rst b/docs/changes/index.rst
index ff80a60e478..47efc56f391 100644
--- a/docs/changes/index.rst
+++ b/docs/changes/index.rst
@@ -3,6 +3,7 @@ Changelogs
 
 .. toctree::
    Unreleased <unreleased>
+   0.50.1 <0.50.1>
    0.50.0 <0.50.0>
    0.49.0 <0.49.0>
    0.48.0 <0.48.0>